Mark 10:42 in the King James Version
But Jesus called them to him, and saith unto them, Ye know that they which are accounted to rule over the Gentiles exercise lordship over them; and their great ones exercise authority upon them.
Context
41 When the ten heard it, they began to be indignant toward James and John.
42 Jesus summoned them and said to them, “You know that they who are recognized as rulers over the nations lord it over them, and their great ones exercise authority over them.
43 But it shall not be so among you, but whoever wants to become great among you shall be your servant.